Home / 11,557.08-15,943.63-6,838.63

Finding the Fourth Proportional to 11,557.08, 15,943.63 and 6,838.63

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Solution

The fourth proportional to 11,557.08, 15,943.63 and 6,838.63 is: 9,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.08 : 15,943.63 = 6,838.63 : x
  2. Step 2: Convert to fraction form
    11,557.08/15,943.63 = 6,838.63/x
  3. Step 3: Cross multiply
    11,557.08x = 15,943.63 × 6,838.63
  4. Step 4: Simplify right side
    11,557.08x = 109,032,552.23
  5. Step 5: Solve for x
    x = 109,032,552.23/11,557.08
  6. Step 6: Final answer
    x = 9,434.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.